Toshiba 420CDT - Page 174

420 Series B-3
Table B-1 System board ICs and connectors (front)
Mark Number Name
(A) IC8 System Clock
(B) IC11 RTC Controller
(C) IC14 BIOS ROM
(D) IC20 Keyboard Controller
(E) IC24 IPS Controller
(F) PJ3 Ni-Mh RTC Battery Connector
(G) PJ5 FDD/CD-ROM I/F Connector
(H) PJ6 Ext. FDD Connector
(I) PJ7 Sound HDD Connector
(J) PJ8 ASYNC I/F Connector
(K) PJ9 P-REP Connector
(L) PJ10 Panel Close Sensor Connector
(M) PJ11 Fan Connector
(N) PJ12 Ext. Keyboard Connector
(O) PJ13 Keyboard Connector
(P) PJ14 LED Connector
(Q) PJ15 PC Card Slot Connector
(R) PJ16 VGA Connector
(S) PJ17 IrDA Board Connector
(T) PJ18 Sound Board Power I/F Connector
(U) PJ19 CD Audio Connector
Table B-2 System board ICs and connectors (back)
Mark Number Name
(A) IC1 CPU
(B) IC2 SCPCNT GA
(C) IC3 SISCNT GA
(D) IC4 to IC7 System Memory
(E) IC12 SI
(F) IC27 I/O Controller GA
(G) IC29 PC Card Controller GA
(H) IC514 PS Microprocessor
(I) PJ1 Thermistor Connector
(J) PJ2 Exp. Memory Connector
(K) PJ4 PRT/RGB I/F Connector